Education in O'Fallon, Missouri: official figures
43.3% of adults aged 25 and over in O'Fallon held a bachelor's degree or higher in 2020-2024, 264th highest of 823 US cities of 50,000 or more (US: 35.7%; Missouri: 32.4%).
How many people in O'Fallon have a graduate degree?
15.6% of adults aged 25 and over in O'Fallon held a master's, professional or doctoral degree, 296th highest of 823 US cities of 50,000 or more (US: 14.1%); 1.3% held a doctorate.
Source: U.S. Census Bureau · saved copyWhat is the education level of adults in O'Fallon?
In O'Fallon, 23.2% of adults aged 25 and over had a high school diploma or equivalent as their highest qualification and 29.0% had some college or an associate's degree (US: 26.0% and 27.9%).
Source: U.S. Census Bureau · saved copyHow many students are there in O'Fallon?
23,144 residents of O'Fallon aged 3 and over were enrolled in school or college in 2020-2024, 25.5% of that age group, 398th lowest of 823 US cities of 50,000 or more (US: 24.7%); 16,624 were in kindergarten to grade 12, including 5,500 in grades 9 to 12.
Source: U.S. Census Bureau · saved copyHow many college students live in O'Fallon?
3,120 residents of O'Fallon were enrolled as college undergraduates and 1,455 in graduate or professional school in 2020-2024, together 5.0% of residents aged 3 and over, 125th lowest of 823 US cities of 50,000 or more (US: 6.6%).
Source: U.S. Census Bureau · saved copyHow many children in O'Fallon attend preschool?
1,945 children in O'Fallon were enrolled in nursery school or preschool in 2020-2024.
Source: U.S. Census Bureau · saved copyHow O'Fallon compares with other cities in the United States
Adults 25+ with a bachelor's degree or higher (2020-2024)
O'Fallon ranks 264 of 823, highest first.
| Rank | City | Adults 25+ with a bachelor's degree or higher |
|---|---|---|
| 261 | Camarillo | 43.6% |
| 262 | Fullerton | 43.5% |
| 263 | Eastvale | 43.4% |
| 264 | O'Fallon | 43.3% |
| 265 | Wylie | 43.3% |
| 266 | St. Charles | 43.3% |
| 267 | Frederick | 43.2% |
Adults 25+ with a graduate or professional degree (2020-2024)
O'Fallon ranks 296 of 823, highest first.
| Rank | City | Adults 25+ with a graduate or professional degree |
|---|---|---|
| 293 | Yonkers | 15.7% |
| 294 | Kalamazoo | 15.6% |
| 295 | Urban Honolulu | 15.6% |
| 296 | O'Fallon | 15.6% |
| 297 | Springfield | 15.6% |
| 298 | South Fulton | 15.6% |
| 299 | Troy | 15.6% |
Adults 25+ without a high school diploma (2020-2024)
O'Fallon ranks 685 of 823, highest first.
| Rank | City | Adults 25+ without a high school diploma |
|---|---|---|
| 682 | Sugar Land | 4.6% |
| 683 | Loveland | 4.6% |
| 684 | Tigard | 4.6% |
| 685 | O'Fallon | 4.6% |
| 686 | Layton | 4.5% |
| 687 | Richland | 4.5% |
| 688 | Fargo | 4.5% |
Residents aged 3+ enrolled in college or graduate school (2020-2024)
O'Fallon ranks 699 of 823, highest first.
| Rank | City | Residents aged 3+ enrolled in college or graduate school |
|---|---|---|
| 696 | Lebanon | 5.0% |
| 697 | Middletown | 5.0% |
| 698 | Yuma | 5.0% |
| 699 | O'Fallon | 5.0% |
| 700 | Springfield | 5.0% |
| 701 | Twin Falls | 5.0% |
| 702 | Parma | 5.0% |
More on O'Fallon: overview · economy and jobs · health · poverty and living standards · government budget · all cities in the United States
Sources
- U.S. Census Bureau: American Community Survey 2020-2024 5-year estimates, table B15003: Educational Attainment for the Population 25 Years and Over (Summary File rows for the US, the states and the listed cities, copied unchanged from the full file, sha256 d0c8609e958022459215c8a31d7452ef7528ee8dd70fbb6f9a99de0f491f42d7), read 23 October 2026 · saved copy (SHA-256 609deae49c91…)
- U.S. Census Bureau: American Community Survey 2020-2024 5-year estimates, table B14001: School Enrollment by Level of School for the Population 3 Years and Over (Summary File rows for the US, the states and the listed cities, copied unchanged from the full file, sha256 e175af4a33616da45fb590da3d67f37eee65a3cb51e6f5864c64ff31fb716b81), read 23 October 2026 · saved copy (SHA-256 b85f52a6d640…)
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